Finding the Fourth Proportional to 10,145.13, 13,998.73 and 5,669.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,145.13 : 13,998.73 = 5,669.07 : x
2. Step 2: Convert to fraction form
   10,145.13/13,998.73 = 5,669.07/x
3. Step 3: Cross multiply
   10,145.13x = 13,998.73 × 5,669.07
4. Step 4: Simplify right side
   10,145.13x = 79,359,780.28
5. Step 5: Solve for x
   x = 79,359,780.28/10,145.13
6. Step 6: Final answer
   x = 7,822.45